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苹果的iPod Touch第六代于2015年7月发布。

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Possible to run without the battery?

My son uses an iPod Touch 6th gen for sleep music / ambient sounds. We’ve now had a third battery expand to the point of bulging out the screen. Is it possible to wire it in such a way that the iPod will run without the battery, just leaving it plugged in? I have opened this one and pulled out the battery, but “as is” it won’t boot up. It just shows the🪫screen.

Can I do something with the three battery terminals in the iPod to “trick” it into being able to start without a battery. I have a replacement iPod for him to use for now, but I know it’s just a matter of time until the battery in this one dies as well. And with the iPod discontinued, I was looking for a non-battery solution.

Thanks

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Hi Tim,

I don't have a definitive answer for you, but I'm thinking you might be able to accomplish what you're trying to do.

The battery actually consists of two parts; the lithium ion cell itself - the part that holds the charge - and a small circuit called the BMS, or Battery Management System. What I'm thinking is if you separate the BMS from the cell and solder that back onto the iPod, it may allow it to boot.

It seems the iPod really wants to talk to the BMS in order to boot, so having one installed just might satisfy that requirement. Of course, the iPod won't see any voltage coming from the battery, so there's always the possibility it'll shut itself down due to a low battery, but if you have one of your old dead batteries around, you don't have much to lose by trying it.

The picture below is from an iPhone XS, but the principle is exactly the same; locate the plus and minus contacts on the battery cell and cut them off, leaving just the BMS to connect to the motherboard.

Block Image

If nothing else, it will certainly be an interesting experiment.

If you give it a try, be sure and come back and let us know what you find.

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I had another of these iPods, so I opened it up to see what the battery looked like. It had a block connected to it just before the connection to the iPod, which I am taking to be the BMS circuit.

Block Image

So I cut the battery off, just after that block, leaving this:

Block Image

I closed it all up, and plugged it into power, and now just get a cycling Apple logo that shows up for a bit, and then goes away, and on and on. However, I don't get the low battery symbol. I am able to hold down the Home button during one of those power ups to get the iPod to go into DFU mode. However, only when plugged into a wall brick. When the iPod is plugged into a computer, it doesn't appear to get enough power from the USB port to power on at all. Even to just the cycling logo. So I can't try restoring or anything.

It was worth a try though.

Thanks for the suggestion.

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Just to confirm what this great answer is saying:the iPod won’t work even without a BMS attached

Iv seen loads of these 6th gen iPods and they are perticularly fussy about their batteries

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